Link
https://w3c.github.io/media-capabilities/#mediacapabilitieskeysystemconfigurationProperties
audio
audio:KeySystemTrackConfiguration
The audio member represents a
Link
https://www.w3.org/TR/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-audiodistinctiveIdentifier?
optional distinctiveIdentifier: MediaKeysRequirement
The distinctiveIdentifier member represents a distinctiveIdentifier requirement as described in EME apis.
Link
https://w3c.github.io/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-distinctiveidentifierinitDataType
initDataType:string
The initDataType member represents a single value from the initDataTypes sequence described in EME apis.
Link
https://w3c.github.io/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-initdatatypekeySystem
keySystem:string
The keySystem member represents a keySystem name as described in EME apis.
Link
https://w3c.github.io/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-keysystempersistentState?
optional persistentState: MediaKeysRequirement
The persistentState member represents a persistentState requirement as described in EME apis.
Link
https://www.w3.org/TR/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-persistentstatesessionTypes
sessionTypes:string[]
The sessionTypes member represents a sequence of required sessionTypes as described in EME apis.
Link
https://www.w3.org/TR/media-capabilities/#dom-mediacapabilitieskeysystemconfiguration-sessiontypesvideo
video:KeySystemTrackConfiguration
The video member represents a

